Instruction definition – Rainbow Electronics HT49R70A-1 User Manual
Page 28
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Instruction Definition
ADC A,[m]
Add data memory and carry to the accumulator
Description
The contents of the specified data memory, accumulator and the carry flag are added si-
multaneously, leaving the result in the accumulator.
Operation
ACC
¬ ACC+[m]+C
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
Ц
Ц
Ц
Ц
ADCM A,[m]
Add the accumulator and carry to data memory
Description
The contents of the specified data memory, accumulator and the carry flag are added si-
multaneously, leaving the result in the specified data memory.
Operation
[m]
¬ ACC+[m]+C
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
Ц
Ц
Ц
Ц
ADD A,[m]
Add data memory to the accumulator
Description
The contents of the specified data memory and the accumulator are added. The result is
stored in the accumulator.
Operation
ACC
¬ ACC+[m]
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
Ц
Ц
Ц
Ц
ADD A,x
Add immediate data to the accumulator
Description
The contents of the accumulator and the specified data are added, leaving the result in the
accumulator.
Operation
ACC
¬ ACC+x
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
Ц
Ц
Ц
Ц
ADDM A,[m]
Add the accumulator to the data memory
Description
The contents of the specified data memory and the accumulator are added. The result is
stored in the data memory.
Operation
[m]
¬ ACC+[m]
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
Ц
Ц
Ц
Ц
HT49R70A-1
Rev. 1.00
28
December 4, 2001